70849497 has 4 divisors (see below), whose sum is σ = 94466000. Its totient is φ = 47232996.

The previous prime is 70849483. The next prime is 70849529. The reversal of 70849497 is 79494807.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 70849497 - 2¹⁸ = 70587353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70849297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11808247 + ... + 11808252.

It is an arithmetic number, because the mean of its divisors is an integer number (23616500).

Almost surely, 2^70849497 is an apocalyptic number.

It is an amenable number.

70849497 is a deficient number, since it is larger than the sum of its proper divisors (23616503).

70849497 is a wasteful number, since it uses less digits than its factorization.

70849497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23616502.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 70849497 is about 8417.2143254167. The cubic root of 70849497 is about 413.7889832231.

It can be divided in two parts, 708 and 49497, that added together give a palindrome (50205).

The spelling of 70849497 in words is "seventy million, eight hundred forty-nine thousand, four hundred ninety-seven".